XML 120 R86.htm IDEA: XBRL DOCUMENT v3.22.2
Disclosures About Fair Value of Financial Instruments - Estimated Fair Values of Financial Instruments (Detail) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and cash equivalents, Carrying Amount $ 245,178 $ 518,032
Cash and cash equivalents, Estimated Fair Value 245,178 518,032
Debt securities, available for sale 3,120,111 3,791,575
Debt securities, held to maturity 495,039  
Investment securities held to maturity 485,635  
Loans held for sale 6,595 16,254
Total loans and leases receivable, net of allowance for credit losses on loans and leases 15,501,228  
Total loans and leases receivable, net of allowance for credit losses on loans and leases 15,501,228 14,414,827
Total loans and leases receivable, net of allowance for credit losses on loans and leases, Estimated Fair Value 15,294,332 14,207,811
FHLB, Federal Reserve Bank and other restricted stock, Carrying Amount 74,626 64,584
FHLB, Federal Reserve Bank and other restricted stock, Estimated Fair Value   64,584
Derivative assets 27,434 27,295
Deposits held 16,944,719 16,777,924
Deposits, Estimated Fair Value 16,827,233 16,777,236
Federal funds purchased, Carrying Amount 770,000 75,000
Federal funds purchased, Estimated Fair Value 770,000 75,000
FHLB advances, Carrying Amount 635,000 700,000
FHLB advances, Estimated Fair Value 632,182 700,000
Other borrowings, Carrying Amount 123,450 223,086
Other borrowings, Estimated Fair Value 115,324 226,585
Subordinated debt, Carrying Amount 181,812 181,673
Subordinated debt, Estimated Fair Value 181,576 204,782
Derivative liabilities 24,922 26,544
Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and cash equivalents, Estimated Fair Value 245,178 518,032
Debt securities, available for sale 0 0
Investment securities held to maturity 0  
Loans held for sale 0 0
Total loans and leases receivable, net of allowance for credit losses on loans and leases, Estimated Fair Value 0 0
FHLB, Federal Reserve Bank and other restricted stock, Estimated Fair Value 0 0
Derivative assets 0 0
Deposits, Estimated Fair Value 16,221,695 16,270,586
Federal funds purchased, Estimated Fair Value 770,000 75,000
FHLB advances, Estimated Fair Value 0 0
Other borrowings, Estimated Fair Value 0 0
Subordinated debt, Estimated Fair Value 0 0
Derivative liabilities 0 0
Significant Other Observable Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and cash equivalents, Estimated Fair Value 0 0
Debt securities, available for sale 3,013,192 3,648,690
Investment securities held to maturity 485,635  
Loans held for sale 1,952 15,747
Total loans and leases receivable, net of allowance for credit losses on loans and leases, Estimated Fair Value 1,874,603 2,284,325
FHLB, Federal Reserve Bank and other restricted stock, Estimated Fair Value 74,626 64,584
Derivative assets 27,336 27,116
Deposits, Estimated Fair Value 605,538 506,650
Federal funds purchased, Estimated Fair Value 0 0
FHLB advances, Estimated Fair Value 632,182 700,000
Other borrowings, Estimated Fair Value 115,324 226,585
Subordinated debt, Estimated Fair Value 181,576 204,782
Derivative liabilities 24,922 26,544
Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and cash equivalents, Estimated Fair Value 0 0
Debt securities, available for sale 106,919 142,885
Investment securities held to maturity 0  
Loans held for sale 4,643 507
Total loans and leases receivable, net of allowance for credit losses on loans and leases, Estimated Fair Value 13,419,729 11,923,486
FHLB, Federal Reserve Bank and other restricted stock, Estimated Fair Value 0 0
Derivative assets 98 179
Deposits, Estimated Fair Value 0 0
Federal funds purchased, Estimated Fair Value 0 0
FHLB advances, Estimated Fair Value 0 0
Other borrowings, Estimated Fair Value 0 0
Subordinated debt, Estimated Fair Value 0 0
Derivative liabilities $ 0 $ 0